Known to geologists as the Salem Limestone, Indiana limestone has been an essential part of building the Indiana University Bloomington campus. In 2020, as IU reaches its 200-year anniversary, the Indiana Geological and Water Survey celebrates the bicentennial with an annual calendar featuring Indiana’s beautiful limestone campus. The mosaicked image of the Sample Gates is made of hundreds of photos from various IGWS collections. The 21- by 33-inch calendar is printed in full color on heavy poster paper and is shipped rolled in a sturdy cardboard tube.
Indiana Geological and Water Survey, 2019, Indiana's Limestone Campus 2020 calendar.
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Indiana Geological and Water Survey
1001 E. 10th St.
Bloomington, IN 47405
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